Blue-eyed Mary
Collinsia verna

Quick-Care Snapshot
Height: 6-12 in
Spread: 6-10 in
Growth Rate: Fast
Maintenance: Low
USDA Zones: 3-8
Sunlight: Part Sun, Part Shade
Soil Type: Loam
Moisture: Medium
Bloom Time: Apr, May
Bloom Color: Blue
Flower Shape: Composite
Foliage Color: Green
Wildlife Value: Pollinators
Native Range: Great Lakes, Midwest
Overview
Blue-eyed Mary is a charming spring ephemeral native with soft blue to lavender flowers marked by a white throat, blooming in early to mid-spring before tree canopies fully leaf out. It thrives in part shade with moist, well-drained soils, completes its life cycle early, and gently self-seeds to form naturalistic spring carpets in healthy woodlands.
Why You’ll Love It
- Low-maintenance: short-lived above ground but dependable year to year through reseeding in suitable sites.
- Pollinator-friendly: early flowers provide nectar for native bees emerging in spring.
- True woodland character: fades quietly by early summer, making room for later woodland plants.
Ideal Site & Soil
- Sun first: part shade is ideal; spring sun before canopy closure is beneficial.
- Drainage matters: prefers moist, well-drained soils; does not tolerate compaction.
- Undisturbed soils: performs best where leaf litter is left intact.
Planting Steps
- From seed: fall sow directly outdoors; seeds require cold exposure to germinate.
- From pots: plant carefully at soil line and water gently.
- Mulch: use natural leaf litter rather than traditional mulch.
Care Routine
- Watering: keep moist during spring growth; no summer watering needed.
- Feeding: fertilizer is unnecessary and discouraged.
- Cleanup: avoid spring cleanup to protect emerging seedlings.
- Reseeding: allow plants to set seed before foliage fades.
Design & Companions
- Woodland ephemerals: pairs well with Bloodroot, Hepatica, and Downy Yellow Violet.
- Spring layers: combines naturally with Wild Phlox and Jacob’s Ladder.
- Naturalized plantings: best used in loose drifts for a wild look.
Common Mistakes
- Too much sun: shortens bloom and lifespan.
- Dry soils: reduce germination and vigor.
- Heavy mulch: prevents reseeding.
Quick Troubleshooting
- No return next year: soil disturbance or early cleanup is usually the cause.
- Sparse patches: allow several seasons for colonies to establish.
- Uneven bloom: normal in woodland ephemerals.
Where It Fits Best
Blue-eyed Mary fits best in woodland gardens, shaded natural areas, and forest edges with intact leaf litter and spring moisture. It is especially valuable in native landscapes focused on early-season ecology and ephemeral diversity.



